Finding the Fourth Proportional to 349,820.07, 522,001.84 and 312,121.05
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Solution
The fourth proportional to 349,820.07, 522,001.84 and 312,121.05 is: 465,747.33
Step by Step Solution
- Step 1: Write the proportion equation
349,820.07 : 522,001.84 = 312,121.05 : x - Step 2: Convert to fraction form
349,820.07/522,001.84 = 312,121.05/x - Step 3: Cross multiply
349,820.07x = 522,001.84 × 312,121.05 - Step 4: Simplify right side
349,820.07x = 162,927,762,402.73 - Step 5: Solve for x
x = 162,927,762,402.73/349,820.07 - Step 6: Final answer
x = 465,747.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.